public void DropLowestGrade()
{
GradeBook book = InitializeGradeBook();
GradeBookStatistics stats = book.ComputeStatistics();
Assert.AreEqual(90, stats.AverageGrade);
}
public void LetterGradeNotSet()
{
GradeBook book = new GradeBook();
GradeBookStatistics stats = book.ComputeStatistics();
Assert.AreEqual("Average grade has not been computed.", stats.LetterGrade);
}
public void GradeDescriptionNotSet()
{
GradeBook book = new GradeBook();
GradeBookStatistics stats = book.ComputeStatistics();
Assert.AreEqual("Unable to retrieve description", stats.GradeDescription);
}
public void ComputeHighestGrade()
{
GradeBook book = InitializeGradeBook();
GradeBookStatistics result = book.ComputeStatistics();
Assert.AreEqual(90, result.HighestGrade);
}
public void ComputeAverageGrade()
{
GradeBook book = InitializeGradeBook();
GradeBookStatistics result = book.ComputeStatistics();
Assert.AreEqual(45, result.AverageGrade);
}
public void TestLowesttGrade()
{
Grades.GradeBook g = new Grades.GradeBook();
g.AddGrade(91);
g.AddGrade(84.5f);
GradeBookStatistics s = g.ComputeStatistics();
Assert.AreEqual(s.Lowest, 84.5f, 0.00001);
}
public void TestAveragetGrade()
{
Grades.GradeBook g = new Grades.GradeBook();
g.AddGrade(91);
g.AddGrade(89.5f);
g.AddGrade(75);
GradeBookStatistics s = g.ComputeStatistics();
Assert.AreEqual(s.Average, 85.166666666667f, 0.01);
}
public void GradeDescription()
{
GradeBook book = new GradeBook();
book.AddGrade(85);
book.AddGrade(90);
GradeBookStatistics stats = book.ComputeStatistics();
Assert.AreEqual("Above-Average", stats.GradeDescription);
}
public void ComputeLowestGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(90);
book.AddGrade(10);
GradeBookStatistics result = book.ComputeStatistics();
Assert.AreEqual(10, result.LowestGrade);
}
public void LetterGrade()
{
GradeBook book = new GradeBook();
book.AddGrade(90);
book.AddGrade(91);
book.AddGrade(99);
GradeBookStatistics stats = book.ComputeStatistics();
Assert.AreEqual("A", stats.LetterGrade);
}
